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ACI-ASTM CK3MCuN Steel vs. CC764S Brass

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while CC764S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN steel and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
15
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 80
41
Tensile Strength: Ultimate (UTS), MPa 620
680
Tensile Strength: Yield (Proof), MPa 290
290

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 1090
130
Melting Completion (Liquidus), °C 1460
850
Melting Onset (Solidus), °C 1350
810
Specific Heat Capacity, J/kg-K 460
400
Thermal Conductivity, W/m-K 12
94
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
36

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
2.9
Embodied Energy, MJ/kg 76
49
Embodied Water, L/kg 190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
80
Resilience: Unit (Modulus of Resilience), kJ/m3 210
390
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.2
30
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
52 to 66
Iron (Fe), % 49.5 to 56.3
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.2
0.3 to 4.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0 to 3.0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2